Nα-acetyl-2,3-dihydro-L-tryptophan ethyl ester

ethyl 2-acetamido-3-(2-(tert-butyldimethylsilyl)-1H-indol-3-yl)propanoate

diethyl 2-acetamido-2-(1H-indol-3-ylmethyl)propanedioate

DL-色氨酸乙酯盐酸盐

乙酰氯